Gas-liquid two-phase discharge device for preparing carbon nanomaterial and use method thereof

Abstract

The invention provides a gas-liquid two-phase discharge device for preparing a carbon nanomaterial, and belongs to the technical field of nanomaterial preparation devices. The gas-liquid two-phase discharge device comprises a discharge cavity for containing liquid, a stock solution cavity, a power supply and a gas charging device; the discharge cavity is communicated with the stock solution cavity, a left electrode and a right electrode which extend into the discharge cavity are arranged on the left side wall and the right side wall of the discharge cavity in a penetrating mode respectively, and the liquid is higher than the distance between the left electrode and the bottom of the discharge cavity and the distance between the right electrode and the bottom of the discharge cavity; the power supply is respectively connected with the left electrode and the right electrode; and the gas charging device is communicated with the left electrode and the right electrode and can be used for charging gas into the discharge cavity. The gas-liquid two-phase discharge device for preparing the carbon nanomaterial is simple in structure, convenient to operate, high in discharge stability, low in product synthesis difficulty, and high in synthesis rate and purity of the carbon nanomaterial.

Description

technical field [0001] The invention relates to the technical field of nanomaterial preparation devices, in particular to a gas-liquid two-phase discharge device for preparing carbon nanomaterials and a use method thereof. Background technique [0002] Nanotechnology is a strategic frontier technology with broad application prospects in the 21st century. Its emergence marks that the ability of human beings to synthesize materials has expanded to the atomic and molecular levels. Nanomaterials are the most important basic support for the development of nanotechnology. Among many nanomaterials, the basis and application of carbon nanomaterials is an important research direction, mainly covering the synthesis, separation, modification and application of typical materials such as fullerenes, carbon nanotubes, and graphene. Most of these typical carbon nanomaterials have the characteristics of strong electrical conductivity, biocompatibility, high specific surface area and corros...

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Problems solved by technology

[0005] In view of this, one of the purposes of the present invention is to solve the problem of preparing carbon nanomaterials by liquid phase discharge method in the prior art. The randomness of the bulk discharge process is large, and the small contact area and instability of the discharge channel lead to liquid phase discharge. Nanomaterials with uniform shape / size / composition; the technical problem that the purity of the product will decrease after the ablation of the electrode by the high-voltage arc, for this reason, the invention provides a gas-liquid two-phase discharge device for preparing carbon nanomaterials , simple structure, convenient operation, high discharge stability, low product synthesis difficulty, high synthesis rate and purity of carbon nano products

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